Read s-Block Elements question pattern · 3
This NSEC path prepares the s-block elements pattern. Read the condition carefully, then use the method below before you solve.
Chemistry questions first identify the substances and conditions, then use conservation of atoms, charge and amount.
Find the tested idea
Write the substance, particle or reaction condition before selecting a formula, mechanism or periodic trend.
Build the solution
Keep atoms, charge and amount balanced. Use a mole ratio, equilibrium relation, mechanism or trend only after identifying what the stem preserves.
Verify before choosing
Return to the exact wording and check that the result satisfies every stated condition, unit and definition.
OlympIQ exam lens
- ✓Identify the species and condition.
- ✓Write the governing relation or mechanism.
- ✓Check balance, charge and limiting case.
A familiar reaction or formula can be wrong when its conditions, coefficients, charge balance or limiting reagent differ.
Ready to try the pattern?
100% coverage across the linked question.
Practise the linked question